-
New game: Nanako Descends to HellJust a bit over two weeks after their first game, The Mojon Twins strikes again with a new game for Spectrum 128k and Amstrad CPC: [url]http://www.m…
... - 61948)
#asm
; Copy to a buffer ... the buffer to its actual location in RAM3.
#asm
di
#endasm ...
copia_vectores_a_RAM3 ();
#asm
ei
#endasm
New game: Nanako Descends to HellJust a bit over two weeks after their first game, The Mojon Twins strikes again with a new game for Spectrum 128k and Amstrad CPC: [url]http://www.m…
... /> copia_vectores_a_RAM3 ();
#asm
ei
#endasm
stack must be located below ... here
#asm
pop hl
... {
...
#asm
di
#endasm
"Ignore the decent majority, and legalise cruelty" [paraphrasing]I would never vote Tory (Conservative) anyway*, but here is yet another reason why not: [URL]http://news.bbc.co.uk/1/hi/uk_politics/7986804.stm[/URL…
[QUOTE=Jumping Stack;345598]You'd be unwise ... bet without knowing the fight location. Don't bet against Jesus ...games that are not exactly 'PC'...had a flick through the archive earlier and stumbled on this, [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0000795[/url] [IMG]http://i40.ti…
[QUOTE=Jumping Stack;353624]I didn't say ... rhetorical question, look at Toxies location :D[/QUOTE]
That ...Russian Translations...As i have once again been reminded (by the "Homebrew games" thread), there are some funky looking Russian games that I can't play due to not understa…
... />
INCLUDE "6row-bitmap.asm"
[/code]
[code ... /> LD A,(HL)
;Increment pointer
INC HL
LD (DE),A
;Increment pointer by 256 (next screen row ...Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…
... letter name and passes a pointer to the remaining filename (with ... gets the message and a pointer to a file structure that ... has stored there (eg file pointer, buffer pointer, etc). The driver should ... structure contain a bit of asm at the top that either ...New to developmentHello there my fellow forum chummies, I have recently been bitten once again to go into software development, its been a while. I have a lot of ski…
... and some VERY rudementary z80 ASM. I have downloaded TOMMY GUN ... use of structures on the stack, which high level languages lend ... It allows development of pure asm projects, C programs, or C ... and Betiled contains some inlined asm to speed up object matching ...upgrades what you looking for?i start working for upgrades for ZX, but i'm Atari specialist and i don't know exactly what you need for ZX. On the moment i have DIVIDE in stock, an…
... gets a pointer of 3 bytes containing ram page / location. once these ...DivIDE QuestionHi all, I've been trying to work out how the DivIDE works and after reading and re-reading the DivIDE programming model document by Zilog I think it…
... br /> * Push 0x0008 onto the stack (the new return address).
asm (the RST 8 initial entry ... the do_callbas routine in trapdispatch.asm which calls the ZX ROM ... routine, do_rst8 also in trapdispatch.asm - where it figures out that ...Screen display at resetJust something for curiosity: When the Spectrum is reseted by for example NEW a very typical screen is shortly displayed. [IMG]http://i33.tinypic.c…
... it do if a memory location does not hold the expected ... model) then all memory (UDG, Stack) is set to the highest ...The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... /blob/master/examples/divide_firmware/page_0_hooks.asm]really clever code for capturing ... /blob/master/examples/divide_firmware/startup.asm]the startup code[/url] sets ... write something at the original location), so you need to minimise ...Tinkering with Quique Llar?a's Midi2Ay tool...Im tinkering with Quique Llar?a's Midi2Ay tool, found at: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/tools/pc/midi2ay-0.1.zip[/url] Im not a v…
... an improvement (taken from test.asm):
[code]
; Generado ... probably wants to move the stack out of the way of ... the initialization code moved the stack so that the return address ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... good.. and things like the stack.
even things like ... starting point and doing an asm version also..
although ...When would you use LD A,R ?Can anyone tell me a practical use of LD A,R and LD R,A I am confused when you would need to use it? Cheers
... :
ld hl,(FXPointer) ; table pointer
ld a,(hl ... address
push hl ; onto stack
ld hl,(FXCode)
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... bit steep.
but asm is the direct way to ... , and whats happening with flags / stack etc.
but you ... kinda forced you to learn ASM.. but the BBC micro.. I ...Speccy Tour 2009.Hi All The voting for which games we'll be playing in the Speccy Tour 2009 have begun. Also, for the very first time ever, there'll be a Bounty on …
... . BadBeard 83 pts.
3. Stack 79 pts.
So ... /> 2. BadBeard 95
3. Stack 93
its is ... top two, a real six pointer. If Gazzosa handn't clawed ...Speccy Tour 2009.Hi All The voting for which games we'll be playing in the Speccy Tour 2009 have begun. Also, for the very first time ever, there'll be a Bounty on …
[QUOTE=Jumping Stack;401968]Space Zombies looks a ... top two, a real six pointer.[/QUOTE]
Nah, I ... /> You had a good night Stack, time for you to step ...More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... while POPing data off the stack or not, but if it ... register
inc hl ; advance pointer
inc a ; increase register ...Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…
... , something messes with the stack or the stack messes with something else ... an array or misusing a pointer somewhere. No-one's going ...Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…
... void testqwertyiop(void)
{
#asm
dec e
// ... mind that anything enclosed in #asm / #endasm is passed directly ... c file still represented with asm labels. External references might ... maybe you've placed the stack on top of your program ...How do I know where my C compiler is putting my variable?Let me show you my code. I am writing a Z80 emulator (z80.c) which sets up a bit of shared memory for communication with another process. Well, I got…
... could just use the original pointer though:
*(pbl_ctrl ... . The pointer is pointing at a char sized location, and ... array indexing/pointer arithmetic will change ... sounds like a recipe for pointer madness. Have one buffer ...MOD calculator function?How do I for example, do LET a=(MOD n,9). I can do it a long winded way using cross-addition until the answer is a single digit. So 13763 MOD 9 wou…
... two results on the calculator stack - the DIV value on top ... using a different memory storage location would have allowed negative numbers ...bee-keeper manager?random idea. how many variables could be fit into this? - number of hive colonies active...amount of honey harvested (maybe in in a set time)... need…
[QUOTE=Jumping Stack;418614]Now, see that's ... some variables for choosing the location of your hive. Theres a ...Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... highscore text at a specific location on screen. There are different ... the first index gets a pointer out of an array of ... the second index indexes the pointer returned. I don't have ...OptimisationI've participated in several thread hijacks about this, so perhaps I should open a new thread. Et VIOLA! Here it is! Knuth, who was earlier reporte…
... can allocate data on the stack (all Java class data lives ... speed.
Hand coded asm, it's pretty hard to ...OptimisationI've participated in several thread hijacks about this, so perhaps I should open a new thread. Et VIOLA! Here it is! Knuth, who was earlier reporte…
... =Paradigm Shifter;426277]Hand coded asm, it's pretty hard to ... comparable to my hand written asm. Some code is the way ... to use to avoid the stack, etc. You can't really ...Problem with Spin 0.7s +3 file I/OI'm currently trying the +3 disk functions in z88dk. I've based my work upon the simple snippet Winston posted a while ago, but doing the contrary. H…
... its dos thing so the stack can't be up there ... 32768 and up so the stack was moved below 32768 so ... the stack to be in contended ram so a better location might ...My first platformerHi all! How do you do? Been lurking here for a while, but never had the courage to join the forum. :) The Speccy was my first computer, so I've alw…
... fixed location? You can always use labels:
[code]#asm
#endasm
...
#asm
call _thing
#endasm ...tricks to simplify codingWhen i started with programming in assembler i had very simple approach to do things. Just shifting bytes around, doing simple tests and so... Later …
... ; set up registers or C stack frame
call l_jpix ; call ... parameter
... ; fix stack frame if necessary
pointer
uchar res1; // +13 ...
